A Primer of EcologyWith the aim of teaching students the essential models in population and community ecology, this book explains in detail the basic concepts of exponential and logistic population growth, age-structured demography, metapopulation dynamics, competition, predation and island biogeography. |
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Page 57
Nicholas J. Gotelli. 0 23 1 2 3 3 Age class ( i ) 4 Age ( x ) Figure 3.1 The relationship between ages ( x ) and age classes ( i ) in population growth models . ( From Caswell 1989. )鹻 these continuous functions , and the equations we ...
Nicholas J. Gotelli. 0 23 1 2 3 3 Age class ( i ) 4 Age ( x ) Figure 3.1 The relationship between ages ( x ) and age classes ( i ) in population growth models . ( From Caswell 1989. )鹻 these continuous functions , and the equations we ...
Page 65
... class of the population . This means we will shift our notation from ages to age classes . We will use n , ( t ) to indicate the number of ... age classes 2 % MODEL PRESENTATION AND PREDICTIONS 65 Describing Population Age Structure.
... class of the population . This means we will shift our notation from ages to age classes . We will use n , ( t ) to indicate the number of ... age classes 2 % MODEL PRESENTATION AND PREDICTIONS 65 Describing Population Age Structure.
Page 66
... class , and the timing of the population cen- sus ( Caswell 1989 ) . In this primer , we will assume a simple birth - pulse model , in which individuals give birth to all ... Age Classes (P;) Calculating Fertilities for Age Classes (F;)
... class , and the timing of the population cen- sus ( Caswell 1989 ) . In this primer , we will assume a simple birth - pulse model , in which individuals give birth to all ... Age Classes (P;) Calculating Fertilities for Age Classes (F;)
Contents
Logistic Population Growth Expens | 27 |
AgeStructured Population Growth | 55 |
MODEL PRESENTATION AND PREDICTIONS | 90 |
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abundance age class age structure Allee effect allenbyi assumptions axis birth and death birth rate calculate carrying capacity Chapter coexistence colonization competition competitors constant death rate decrease density-dependent depends E. O. Wilson ecology Euler equation example exponential growth Expression extinction rate Figure fluctuations functional response habitat immigration rate interspecific competition isocline of species iteroparous K-selection K₁ K₂ large islands Leslie matrix logarithmic logistic growth logistic model Lotka-Volterra equations Lotka-Volterra model MacArthur-Wilson model mathematical maximum metapopulation metapopulation models N₁ N₂ number of individuals Number of predators number of species Number of victims offspring parasite passive sampling model patches persist population cycles population growth rate population sizes predator and victim predator isocline predator population primer rate of increase red grouse represents reproductive value rescue effect schedule source pool species richness species-area relationship survivorship survivorship curve tion turnover ulation victim density victim isocline victim population zero